Mr Corbyn said the PM was pressured by Tories who are too obsessed with using Brexit to deregulate markets.

Labour sources said the main obstacle to progress was International Trade Secretary Liam Fox.

Speaking on a campaign visit to the North West, Mr Corbyn said Britain needed easy access to European markets and to keep environmental regulations and workplace rights.

He added: “We’ve put those cases very robustly to the Government and there’s no agreement as yet.

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“The Government doesn’t appear to be shifting the red lines because they’ve got a big pressure in the Tory party that actually wants to turn this country into a deregulated low-tax society which will do a deal with Trump. I don’t want to do that.”

He went on: “We’ve lost a lot of time by the dithering of the Government on bringing issues to Parliament.”

If the talks break down the PM has promised MPs would then hold a string of indicative votes on possible Brexit options.